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What is the Least Common Multiple of 55556 and 55562?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 55556 and 55562 is 1543401236.

LCM(55556,55562) = 1543401236

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Least Common Multiple of 55556 and 55562 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55556 and 55562, than apply into the LCM equation.

GCF(55556,55562) = 2
LCM(55556,55562) = ( 55556 × 55562) / 2
LCM(55556,55562) = 3086802472 / 2
LCM(55556,55562) = 1543401236

Least Common Multiple (LCM) of 55556 and 55562 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55556 and 55562. First we will calculate the prime factors of 55556 and 55562.

Prime Factorization of 55556

Prime factors of 55556 are 2, 17, 19, 43. Prime factorization of 55556 in exponential form is:

55556 = 22 × 171 × 191 × 431

Prime Factorization of 55562

Prime factors of 55562 are 2, 13, 2137. Prime factorization of 55562 in exponential form is:

55562 = 21 × 131 × 21371

Now multiplying the highest exponent prime factors to calculate the LCM of 55556 and 55562.

LCM(55556,55562) = 22 × 171 × 191 × 431 × 131 × 21371
LCM(55556,55562) = 1543401236